汽车和工业应用低成本手势传感系统的设计
人机界面(HMI)是几乎所有工业和汽车应用中的一个关键部件。由于交互变得越来越复杂,传统的开关设计不适合许多环境:它们违反直觉,分散操作者的注意力,例如控制机器或驾驶车辆。
虽然有许多基于手势的控制选项,但设计师们需要兼顾性能和准确性,同时兼顾成本和简单性以及功耗。
本文将讨论基于红外传感技术的手势控制系统所需的组件。然后,它将推出一个低成本的传感器评估板及其相关软件,以帮助快速发展和缩短上市时间。
Contactless sensing applications
The first everyday application of contactless sensing was to detect the approach of an object and trigger an appropriate response. Automatic doors, soap dispensers, porch lights, and hand dryers all use contactless sensors as inputs.
The proximity sensors in these systems act as switches to provide a digital on/off output, while gesture sensing allows a user to employ three-dimensional movements to control a system in an intuitive manner.
Gesture control also allows a user to make changes within a large active field, allowing gross movements to replace finer ones. This capability is a key feature in video gaming systems that employ gesture sensing technology to detect complex sports related movements, or track several players.
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